[1] Univ Southern Denmark, Odense Univ Hosp, Fac Hlth Sci, Dept Clin Res,Fertil Clin,Unit Gynecol & Obstet, Sdr. Blvd 29,3th, DK-5000 Odense C, Denmark
[2] Univ Southern Denmark, Odense Univ Hosp, OPEN Odense Patient Data Explorat Network, Fac Hlth Sci,Dept Clin Res, Odense, Denmark
[3] Univ Copenhagen, Juliane Marie Ctr Women Children & Reprod, Fac Hlth & Med Sci, Lab Reprod Biol,Sect 5712, Copenhagen, Denmark
[4] Aarhus Univ Hosp, Inst Clin Med Aarhus, Fac Hlth, Palle Juul Jensens Blvd 99, DK-8200 Aarhus N, Denmark
[5] Skive Reg Hosp, Fertil Clin, Resenvej 25,1th, DK-7800 Skive, Denmark